Finding the Fourth Proportional to 91,237,481.52, 136,876,650.12 and 30,651,555.12
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Solution
The fourth proportional to 91,237,481.52, 136,876,650.12 and 30,651,555.12 is: 45,984,195.49
Step by Step Solution
- Step 1: Write the proportion equation
91,237,481.52 : 136,876,650.12 = 30,651,555.12 : x - Step 2: Convert to fraction form
91,237,481.52/136,876,650.12 = 30,651,555.12/x - Step 3: Cross multiply
91,237,481.52x = 136,876,650.12 × 30,651,555.12 - Step 4: Simplify right side
91,237,481.52x = 4,195,482,185,794,135 - Step 5: Solve for x
x = 4,195,482,185,794,135/91,237,481.52 - Step 6: Final answer
x = 45,984,195.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.